New Heavy

[maddox10]

The sparking when linking up is the capacitators charging.

The way to avoid that is to use a "precharge" link/lead , in short, you "precharge" the capacitators trough a resistor limiting the power that will flow before you put in the main link.

[Kenny]

These should help

https://hobbyking.com/en_us/xt90-s-a...___store=en_us